CN213205344U

CN213205344U - Manual driving device of flap gate opening and closing system

Info

Publication number: CN213205344U
Application number: CN202021150175.8U
Authority: CN
Inventors: 沈宏伟; 张锋永; 吴美荣; 王书中
Original assignee: Zhejiang East China Mechanical & Electrical Engineering Co ltd
Current assignee: Zhejiang China Power Construction Qiantang Survey Design And Research Institute Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-14
Anticipated expiration: 2030-06-19

Abstract

The utility model provides a manual drive device of system is opened and close to flap door can realize the manual drive when the outage. The utility model comprises a hand wheel, a transmission mechanism and a clutch; the input shaft of the transmission mechanism is connected with a hand wheel; the clutch comprises a shifting fork, a crank, a driving wheel, a driving disc, a driven disc, a base and a lock catch; the crank is fixedly arranged on the base; the driving wheel is rotatably arranged on the base and is connected with an output shaft of the transmission mechanism; the driving disc is slidably arranged on the driving wheel; the lock catch is rotatably arranged on the driving disc; the middle part of the shifting fork is hinged with the crank, and the bottom part of the shifting fork is hinged with the lock catch; the driven disc and the driving disc can be detachably connected.

Description

Manual driving device of flap gate opening and closing system

Technical Field

The utility model relates to a manual drive device of a turnover door opening and closing system, which is mainly used in the turnover door opening and closing system in various warehouses such as hangars, garages and the like.

Background

At present, in various warehouses such as hangars, garages and the like, a mechanism for driving a flap gate by using a steel wire rope appears, as shown in a Chinese patent with the patent number of 201310745500.3. The current mechanism mainly has the following disadvantages: when sudden power failure occurs, the whole mechanism cannot work; although the chinese patent with patent number 201310745500.3 has provided a hand-operated device on the two-way winding displacement hoist and the manual electric hoist, the turnover door can be opened, closed and locked by the hand-operated device when power is lost, but the specific structure of the hand-operated device is not disclosed, so that the skilled person in the art can not implement the hand-operated device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a reasonable in design's manual drive device that the flap gate opened and close system, can realize the manual drive when the outage.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a manual drive arrangement of flap door system of opening and close which characterized in that: comprises a hand wheel, a transmission mechanism and a clutch; the input shaft of the transmission mechanism is connected with a hand wheel; the clutch comprises a shifting fork, a crank, a driving wheel, a driving disc, a driven disc, a base and a lock catch; the crank is fixedly arranged on the base; the driving wheel is rotatably arranged on the base and is connected with an output shaft of the transmission mechanism; the driving disc is slidably arranged on the driving wheel; the lock catch is rotatably arranged on the driving disc; the middle part of the shifting fork is hinged with the crank, and the bottom part of the shifting fork is hinged with the lock catch; the driven disc and the driving disc can be detachably connected.

Drive mechanism adopt turbine worm formula speed reducer.

The clutch still include limit switch, limit switch installs on the base, its and the cooperation of driving disk.

The drive wheel of the utility model is a chain wheel.

The drive plate seted up the hasp groove, the hasp rotates to be installed in the hasp groove.

Compared with the prior art, the utility model, have following advantage and effect: the manual driving device is provided with a specific structure, can be implemented by a person skilled in the art, and can realize manual driving during power failure.

Drawings

Fig. 1 is a front view structure diagram of a flap gate opening and closing system provided with the embodiment of the present invention.

Fig. 2 is the side view structure sketch map of installing the flap gate system of opening and closing of the embodiment of the utility model.

Fig. 3 is a schematic view of a top view structure of a flap gate opening and closing system provided with the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a clutch according to an embodiment of the present invention.

FIG. 5 is a schematic sectional view A-A of FIG. 4.

Fig. 6 is a schematic view of the structure in direction B of fig. 4.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Install the utility model discloses turn over board door start-stop system include frame 1, headstock gear 2 manual drive device 3 and shutting drive device 4.

The opening and closing device 2 is installed on the frame 1 and comprises an opening and closing drum device 21, a coupler 22, a working brake 23, an opening and closing motor 24, a steering box 25, a speed reducer 26 and a safety brake 27.

The winding drum opening and closing device 21 is rotatably installed on the rack 1, and a steel wire rope on the winding drum opening and closing device 21 is connected with the turnover door. The winding drum of the open-close winding drum device 21 is made of Q345 low alloy structural steel. The winding drum is a single winding drum with double rope outlets, and the winding drum adopts spiral rope grooves, so that the steel wire ropes can be orderly arranged on the winding drum. The winding drum is designed to be wound in a single layer, and the tail end of the steel wire rope is fixed on the winding drum through a rope pressing plate.

The opening and closing motor 24 is vertically and downwards arranged on the frame 1.

The steering box 25 is a T-shaped steering box having a longitudinal axis and a transverse axis. The steering box 25 is horizontally arranged on the frame 1, a motor shaft of the opening and closing motor 24 is connected with a longitudinal shaft of the steering box 25, one end of a transverse shaft of the steering box 25 is connected with an input end of the speed reducer 26 through a drum-shaped gear coupling 22 with a brake wheel, and an output end of the speed reducer 26 is connected with a winding drum of the opening and closing winding drum device 21 through a flange, so that the forward and reverse rotation functions of the winding drum are realized.

The safety brake 27 is arranged on the frame 1 and the winding drum of the winding drum opening and closing device 21, and directly brakes a brake disc on the winding drum during action, so that the working brake 23 or a transmission mechanism is prevented from failing to cause damage to mechanisms or equipment.

The hydraulic push rod type working brake 23 is arranged at the input end of the speed reducer 26, the working brake 23 is arranged on a high-speed shaft of the speed reducer 26 selectively, so that the safety and reliability of transmission are fully guaranteed, a steering box 25 is arranged between the opening and closing motor 24 and the speed reducer due to the limited space, power is transmitted through meshing of bevel gears in the steering box 25, and the reliability of bevel gear transmission is lower than that of direct-connected gear transmission, so that in practical engineering experience, the bevel gears are easy to fail in high-speed operation, if the working brake 23 is arranged at the connection position of the opening and closing motor 24 and the steering box 25, the steering box 25 fails once the bevel gears fail, at the moment, the safety brake 27 is put into operation after an overspeed signal is detected, and obviously, the transmission safety is greatly reduced; if the working brake 23 is arranged on the high-speed shaft of the speed reducer, the safety brake 27 and the working brake 23 can be safely and reliably put into operation under the same condition, and compared with other arrangement modes, the design scheme improves the safety and reliability of the whole machine. The working brake 23 adopts a universal vertical base type installation mode, the transmission of the braking torque is simple and more reliable, and compared with other horizontal installation modes, the braking effect and the reaction speed are better.

The opening and closing motor 24 drives the steering box 25, the steering box 25 drives a winding drum in the opening and closing winding drum device 21 to rotate through the coupling 22, a steel wire rope is wound and unwound, and the steel wire rope controls the opening and closing of the turnover door, so that the opening and closing of the turnover door are achieved.

The manual drive device 3 is mounted on the frame 1 and comprises a hand wheel 31, a transmission mechanism 32 and a clutch 33.

The transmission mechanism 32 is installed on the frame 1, and the input end of the transmission mechanism is connected with the hand wheel 31. The transmission mechanism 32 adopts a worm and gear speed reducer, and the worm and gear mainly use the self-locking function of the worm and gear to ensure manual safety.

The clutch 33 includes a fork 331, a crank 332, a driving wheel 333, a driving disk 334, a driven disk 335, a base 336, a catch 337, and a limit switch 338.

The base 336 is fixedly mounted on the frame 1.

The crank 332 is fixedly mounted to a base 336.

The transmission wheel 333 is rotatably mounted on the base 336 by a slide bearing and is connected to the output end of the transmission mechanism 32. The transmission wheel 333 is a sprocket.

The driving disk 334 is slidably mounted on the driving wheel 333 through a flat key.

The driving disk 334 is provided at a rear portion thereof with a locking groove 339, and a lock 337 is rotatably installed in the locking groove 339.

The middle part of the shifting fork 331 is hinged with the crank 332, and the bottom part is hinged with the lock 337.

A driven disc 335 is fixedly mounted on the other end of the transverse shaft of the steering box 25, the driven disc 335 being releasably connectable with the driving disc 334.

The limit switch 338 is mounted on the base 336, and is engaged with the driving disk 334 for detecting the position of the driving disk 334, and further determining whether the clutch 33 is in the engaged state or the disengaged state, and when the clutch 33 is in the disengaged state, the opening and closing device 2 is allowed to operate.

When sudden power failure occurs, the shifting fork 331 is pulled, the driving disc 334 moves forwards to be engaged with the driven disc 335, the clutch 33 is in an engaged state, the working brake 23 is opened, then the hand wheel 31 is hand-operated, the hand wheel 31 drives the driving wheel 333 to rotate through the transmission mechanism 32, the driving wheel 333 drives the driving disc 334 to rotate, the driven disc 335 further drives the transverse shaft of the steering box 25 to rotate, and therefore hand-operated power is transmitted to the winding drum, so that heavy objects can be lifted or put down by hand-operated during power failure.

The latch drive 4 is mounted on the frame 1 and includes a latch drive motor 41 and a latch reel 42.

The latch spool arrangement 42 is pivotally mounted to the frame 1. The latch drive motor 41 is connected to the latch reel device 42. The steel wire rope on the locking winding drum device 42 is connected with a locking device arranged on the turnover door, the locking driving motor 41 drives the winding drum of the locking winding drum device 42 to rotate to release the steel wire rope during locking, and the lock head of the locking device extends out under the action of gravity; when unlocking, the locking driving motor 41 drives the reel of the locking reel device 42 to rotate, and the steel wire rope is tightened to pull the lock head of the locking device to reset.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a manual drive arrangement of flap door system of opening and close which characterized in that: comprises a hand wheel, a transmission mechanism and a clutch; the input shaft of the transmission mechanism is connected with a hand wheel; the clutch comprises a shifting fork, a crank, a driving wheel, a driving disc, a driven disc, a base and a lock catch; the crank is fixedly arranged on the base; the driving wheel is rotatably arranged on the base and is connected with an output shaft of the transmission mechanism; the driving disc is slidably arranged on the driving wheel; the lock catch is rotatably arranged on the driving disc; the middle part of the shifting fork is hinged with the crank, and the bottom part of the shifting fork is hinged with the lock catch; the driven disc and the driving disc can be detachably connected.

2. The manual drive of a flap door opening and closing system as claimed in claim 1, wherein: the transmission mechanism adopts a turbine worm type speed reducer.

3. The manual drive of a flap door opening and closing system as claimed in claim 1, wherein: the clutch also comprises a limit switch, and the limit switch is arranged on the base and matched with the driving disc.

4. The manual drive of a flap door opening and closing system as claimed in claim 1, wherein: the driving wheel is a chain wheel.

5. The manual drive of a flap door opening and closing system as claimed in claim 1, wherein: the driving disc is provided with a lock catch groove, and the lock catch is rotatably arranged in the lock catch groove.